3rd - 6th Grade Science Resources : Page 20

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

In this project students experiment with making music using only glasses of water.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

This science fair project idea investigates the hardness property of minerals.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

This science fair project idea determines the most effective method of preserving food.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!